Holy Chestnut!
Itinerary details
Everything that embodies Ardèche. A stone's throw from Lamastre, this route takes you to the heart of the chestnut forests, discover the profession of chestnut growers, love their products and admire their work.
Departing from Mastrou station, stop at the unmissable Ferme du Châtaignier, then reach the Col de St-Genest to admire the view of the Château des Boscs. Continue on a balcony road lined with chestnut groves to discover the charming village of St-Barthélemy-Grozon and its church. A beautiful descent will bring you back to your starting point following the Grozon.
Signage for the departmental bike loop
Markings for Loop No. 9 (blue)
Difficulty level: moderate
Signs indicate Loop No. 9bis (red) at Col de St-Genest.
Must-sees along the route
La Ferme du Châtaignier
Company open to the public
Useful addresses
MS 2 Roues
Services
The proposed routes and GPS tracks are provided strictly for informational purposes. Actual terrain conditions, on-site signage, and local information always take precedence over digital data. Ardèche Tourisme accepts no liability in the event of accidents, navigational errors, or unexpected route changes (e.g., roadworks, weather conditions, forestry operations). Cycling is undertaken entirely at the user's own risk. Cyclists must adapt their speed to their skill level, the terrain, and prevailing conditions, and must strictly comply with traffic regulations, including on greenways.
